What to do if connections to Schumacher Electric DSR127 Battery Charger are reversed?
If the battery is connected backwards, or if you're charging multiple batteries and the connections aren't correct, unplug the charger and reverse or correct the connections to the battery or batteries.
Why Schumacher Electric DSR127 Battery Charger is not keeping battery fully charged?
The battery might not be holding a charge, possibly due to a drain or a bad battery. Ensure there are no loads on the battery; if there are, remove them. If there are no loads, have the battery checked or replaced.
Why is my Schumacher Electric Battery Charger on but not charging?
The charger may not be in charger mode. Press the START/STOP button for the battery that is connected to the charger.
What to do if battery voltage dropped too low during maintain mode on Schumacher Electric DSR127?
This may be caused by a drain on the battery, or the battery could be bad. Make sure there are no loads on the battery. If there are, remove them. If there are none, have the battery checked or replaced.
What does 'BAD BAT' mean on my Schumacher Electric DSR127 Battery Charger?
The charger was unable to complete the charging of the battery and is in abort mode. Press the corresponding START/ STOP button to turn off and reset the charger.
Why did my Schumacher Electric DSR127 Battery Charger shut off?
Make sure the charger does not have the side ventilation holes blocked and move the charger out of the sun and into the shade.
Why is the current lower than expected on my Schumacher Electric Battery Charger?
This is a normal condition. The charger reached the maximum voltage and is reducing the current. The charger detected an over- temperature condition and has reduced the current to allow the unit to cool. Make sure the charger does not have the side or rear ventilation holes blocked and move the charger out of the sun and into the shade.
What to do if Schumacher Electric DSR127 voltage is still low after charging?
The battery could be bad; have it checked or replaced.
What to do if Schumacher Electric DSR127 Battery Charger detects thermal runaway?
Have the battery checked or replaced.
Why won't my Schumacher Electric Battery Charger charge Lithium Ion battery?
The Lithium Ion (LiFePO) battery could be bad. Have it checked or replaced.
Controls the selection of display modes: Battery %, Amperage, or Voltage.
Provides a general introduction to the charger's operation.
Explains the charger's digital display features and behavior.
Details the charging stages, indicators, and completion.
Describes actions to take when charging is aborted.
Explains the charger's recovery mode for sulfated batteries.
Details how the charger maintains a fully charged battery.
General information on the charger's built-in battery testing feature.
Outlines the basic steps required to test battery state of charge.
Clarifies the unit's function as a tester versus a charger.
Describes procedures for testing a battery after it has been charged.
General| Type | Battery Charger |
|---|---|
| Input Voltage | 120V AC |
| Input Frequency | 60 Hz |
| Output Voltage | 6V/12V |
| Output Amperage | 12A |
| Cable Length | 6 ft |
| Clamps | Heavy-duty |
| Microprocessor Controlled | Yes |
| Reverse Hook-Up Protection | Yes |
| Amperage | 12A |
| Charge Rate | 12A |
| Battery Types Supported | AGM, Gel |
| Charging Modes | Automatic |
| Dimensions | 5.5 inches |
| Voltage | 6V/12V |
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